gistfile1.txt

Loading development environment (Rails 2.3.2)
>> class Z < User; end
=> nil
>> User.subclasses
NoMethodError: protected method `subclasses' called for #<Class:0x22ce974>
	from (irb):2
>> User.send(:subclasses)
=> [Z(id: integer, email: string, crypted_password: string, salt: string, created_at: datetime, updated_at: datetime, remember_token: string, remember_token_expires_at: datetime, activation_code: string, activated_at: datetime, state: string, deleted_at: datetime, editor: boolean, has_promise: boolean, reset_code: string)]
>>